Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *sem-

→ English singular (root)
→ English million (root)
→ English some (root)
→ English some (derived)
→ English simile (root)
→ English anomaly (root)
→ English simulate (root)
→ English syllable (root)
→ English sand (mention)
→ English seem (root)
→ English seem (derived)
→ English similarity (root)
→ English mile (root)
→ English simulacrum (root)
→ English simultaneous (root)
→ English semi (root)
→ English similar (root)
→ English same (root)
→ English same (derived)
→ English hemi- (root)
→ English semi- (root)
→ English single (root)
→ English single (derived)
→ English hetero- (root)
→ English homo- (root)
→ English simplex (root)
→ English dissimilar (root)
→ English soft (root)
→ English soft (mention)
→ English hapax legomenon (root)
→ English simulation (root)
→ English sambar (affix)
→ English assemble (root)
→ English resemblance (root)
→ English similarly (root)
→ English semblance (root)
→ English similitude (root)
→ English syn- (root)
→ English heterodont (derived)
→ English sempre (root)
→ Avestan 𐬵𐬀𐬞𐬀𐬚𐬥𐬍 (mention)
→ Old English sefte (mention)
→ Old English sin- (derived)
→ Old English sam- (derived)
→ Proto-Celtic samail (derived(cel-pro/sga))
→ Welsh fel (derived)
→ Danish sommer (derived)
→ German zusammen (derived)
→ Greek αδελφός (root)
→ Greek αδελφή (root)
→ Persian هم (root)
→ Persian اندام (mention)
→ Finnish sama (root)
→ French similaire (root)
→ French sembler (root)
→ Irish Samhain (mention)
→ Irish cuma (mention)
→ Irish samhail (root)
→ Irish mionsamhail (root)
→ Irish samhlaigh (root)
→ Irish amhail (root)
→ Irish sámh (root)
→ Irish sámh (derived)
→ Scottish Gaelic coma (mention)
→ Old High German semfti (mention)
→ Old High German sin- (derived)
→ Old High German sami- (mention)
→ Ancient Greek ἕτερος (root)
→ Ancient Greek ἕτερος (suffix)
→ Ancient Greek σύν (mention)
→ Ancient Greek ἀδελφός (root)
→ Ancient Greek ἑκατόν (root)
→ Ancient Greek ἑκατόν (mention)
→ Ancient Greek ὅμοιος (root)
→ Ancient Greek ὁμοῦ (root)
→ Ancient Greek ἅμα (root)
→ Ancient Greek ἅμα (derived)
→ Ancient Greek εἷς (root)
→ Ancient Greek Ἄτλας (root)
→ Ancient Greek ὁμός (root)